密码学是关于在存在对手的情况下进行通信的。
Cryptography is about communication in the presence of adversaries.
书籍是灵魂的镜子。
You can try and read my lyrics off of this paper before I lay 'em, but you won't take the sting out these words before I say 'em.
Swim upstream. Go the other way. Ignore the conventional wisdom. If everybody else is doing it one way, there's a good chance you can find your niche by going in exactly the opposite direction.
家不是一个地方，而是那些让你感到归属的人。